Regrow romaine lettuce from the stump bought in the grocery store... be sure to start with an organic one
Do you even grow?
8 Vegetables You Can Regrow Over Again… Useful Tip…
Regrow green onions!
Re-Planting Your Kitchen Scraps: How to Re-Grow Romaine Lettuce. Frugal + fun project for kids! Its A Fabulous Life #itsafabulouslife
Growing Green Onions!
Cut-and-Come-Again Lettuce - varieties of lettuce you can cut, and that will grow back (like grass)
Regrow Green Onions
Growing veggies chart